湘东北热液型钴矿床中含钴矿物特征及其对成矿的指示意义

宁钧陶,黄宝亮,董国军,周岳强,高卓龙,康博

Characteristics of Cobalt-bearing Minerals in Hydrothermal Cobalt Deposits in Northeastern Hunan Province and Their Implication for Mineralization

Juntao NING,Baoliang HUANG,Guojun DONG,Yueqiang ZHOU,Zhuolong GAO,Bo KANG

表2 金塘钴多金属矿床中辉砷钴矿EPMA分析结果

Table 2 EPMA results of cobaltite from the Jintang cobalt polymetallic deposit （%）

分析点号 S Fe Co Ni As Sb 总计 化学式 D01 18.90 4.33 23.21 8.70 45.13 0.18 100.45 （Fe0.13Co0.64Ni0.24）As0.97S0.95 D02 19.65 6.54 18.46 11.33 43.54 0.12 99.64 （Fe0.19Co0.50Ni0.31）As0.93S0.98 D03 21.00 7.46 15.51 9.74 44.69 - 98.40 （Fe0.23Co0.48Ni0.29）As1.08S1.19 D04 21.21 14.21 12.12 6.12 46.04 - 99.69 （Fe0.45Co0.36Ni0.18）As1.09S1.17 D05 20.72 17.66 9.51 5.52 45.90 - 99.31 （Fe0.55Co0.28Ni0.16）As1.07S1.13 D06 21.83 14.94 10.57 6.86 45.52 - 99.72 （Fe0.47Co0.32Ni0.21）As1.08S1.21 D07 22.44 9.27 16.98 5.91 44.35 - 98.94 （Fe0.30Co0.52Ni0.18）As1.07S1.26 D08 19.71 6.85 14.40 15.24 44.52 0.08 100.80 （Fe0.20Co0.39Ni0.41）As0.97S0.98 D09 19.95 8.85 19.69 7.70 44.10 0.31 100.60 （Fe0.25Co0.54Ni0.21）As0.98S1.00 D10 20.16 7.10 14.04 13.76 43.60 0.14 98.81 （Fe0.21Co0.40Ni0.39）As0.95S1.05 D11 20.05 8.29 16.21 10.42 44.33 0.16 99.45 （Fe0.25Co0.46Ni0.30）As0.98S1.04 D12 20.00 8.03 15.34 10.43 44.73 0.12 98.64 （Fe0.25Co0.45Ni0.31）As1.00S1.07